The incident happened around 10:30 p.m. Saturday at a parking lot near the corner of Sepulveda Boulevard and Westchester Parkway, according to the Los Angeles Police Department. Police say the suspect tried to leave the lot without paying, triggering a dispute.
After arguing with the security guard, police say the suspect shot at the security guard who then also fired back.
Both of them were hit by gunfire and were transported to a hospital in stable condition.
Authorities say the suspect will be taken into custody once he is treated for his wounds. The investigation is ongoing.